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Finding the Fourth Proportional to 61,878.75, 92,857.17 and 26,340.02

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Solution

The fourth proportional to 61,878.75, 92,857.17 and 26,340.02 is: 39,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,878.75 : 92,857.17 = 26,340.02 : x
  2. Step 2: Convert to fraction form
    61,878.75/92,857.17 = 26,340.02/x
  3. Step 3: Cross multiply
    61,878.75x = 92,857.17 × 26,340.02
  4. Step 4: Simplify right side
    61,878.75x = 2,445,859,362.40
  5. Step 5: Solve for x
    x = 2,445,859,362.40/61,878.75
  6. Step 6: Final answer
    x = 39,526.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.